71871813883883 has 8 divisors (see below), whose sum is σ = 77401539306000. Its totient is φ = 66342249083808.

The previous prime is 71871813883873. The next prime is 71871813883889. The reversal of 71871813883883 is 38838831817817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71871813883883 - 2¹⁰ = 71871813882859 is a prime.

It is a super-2 number, since 2×71871813883883² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71871813883883.

It is not an unprimeable number, because it can be changed into a prime (71871813883889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39225368 + ... + 41016741.

It is an arithmetic number, because the mean of its divisors is an integer number (9675192413250).

Almost surely, 2^{71871813883883} is an apocalyptic number.

71871813883883 is a deficient number, since it is larger than the sum of its proper divisors (5529725422117).

71871813883883 is a wasteful number, since it uses less digits than its factorization.

71871813883883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80311021.

The product of its digits is 346816512, while the sum is 74.

The spelling of 71871813883883 in words is "seventy-one trillion, eight hundred seventy-one billion, eight hundred thirteen million, eight hundred eighty-three thousand, eight hundred eighty-three".